Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11000659 | Tracheotomy tube having freely openable/closable lateral hole | Toshiro Umezaki, Tomoyuki Hasegawa | 2021-05-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11000659 | Tracheotomy tube having freely openable/closable lateral hole | Toshiro Umezaki, Tomoyuki Hasegawa | 2021-05-11 |